[188547] in North American Network Operators' Group
Re: Some doubts on large scale BGP/AS design and black hole routing
daemon@ATHENA.MIT.EDU (Mark Tinka)
Mon Apr 4 09:08:11 2016
X-Original-To: nanog@nanog.org
To: Christopher Morrow <morrowc.lists@gmail.com>
From: Mark Tinka <mark.tinka@seacom.mu>
Date: Mon, 4 Apr 2016 15:07:57 +0200
In-Reply-To: <CAL9jLaYy33H297R=E6GLeBisJH1XQTnWjROYyC4jSuOcM=TDAQ@mail.gmail.com>
Cc: nanog list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On 4/Apr/16 14:58, Christopher Morrow wrote:
>
> so (as bill points out) plan to localize subnets to each pop. (do not
> number customers in pop1 in the same /24 as customers in pop2)
Yes.
May lead to some global de-aggregation, but can't really avoid that.
>
> be aware of gre / ip-in-ip forwarding limitations
I wouldn't touch it, myself.
I'd rather devote the sleepless nights to fixing the backhaul.
>
>
> different providers, different entrance facilities in the
> building(s), different conduits out of the area... and hope that
> somewhere along the path providerA and B didn't share conduit or
> capacity-swap you to a single path :)
+1.
Mark.
